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Code
Description
Particulars
The color displacement detection pattern is not recognized. The result of
measurement is outside a specific range.
Cause
The color displacement sensor is soiled. The color displacement sensor is faulty.
The DC controller PCB is faulty. The toner cartridge is faulty.
E197
An error has occurred in engine communication
An error has occurred in engine communication
E198
The DC controller memory is faulty.
Particulars
The DC controller has gone out of order.
Cause
The DC controller PCB is faulty.
E747
An EEPROM error has occurred.
Particulars
An EEPROM error has occurred.
Cause
The video controller PCB is faulty.
E806
The fan motor is out of order.
Particulars
The fan lock detection signal (FANLCK) is continuously High for 10 sec or more
while the fan motor is rotating.
Cause
The fan motor is faulty. The DC controller PCB is faulty.
E840
The unlocking mechanism is faulty.
Particulars
The unlocking mechanism of the fixing assembly is faulty.
Cause
The shift sensor is faulty. The shift sensor lever is damaged. The fixing drive
assembly is faulty. The fixing/delivery motor is faulty. The DC controller PCB
is faulty.
5.5.2 Error Code
LBP5100
Code
Description
E000
The warm-up of the fixing assembly is faulty.
Particulars
The reading of the main thermistor fails to reach 5 deg C (0 deg C if at power-
on) or more within 1 sec after the heater is supplied with power.
Cause
The main thermistor has an open circuit. The fixing heater has an open circuit.
The DC controller PCB is faulty.
E001
The fixing assembly is overheating.
0000
Particulars
The reading of the main thermistor is 225 deg C (equivalent of 0.84 V) or more
for 0.5 sec or more.
Cause
The main thermistor is faulty. The DC controller PCB is faulty.
0001
Particulars
The reading of the sub thermistor is 245 deg C (equivalent of 2.12 V) or more for
0.5 sec or more.
Cause
The sub thermistor is faulty. The DC controller PCB is faulty.
E003
The temperature of the fixing assembly is abnormally low.
0000
Particulars
The reading of the main thermistor is 100 deg C (equivalent of 2.60 V) or less for
0.5 sec or more.
Cause
The low-voltage power supply PCB is faulty. The main thermistor has an open
circuit. The DC controller PCB is faulty.
0001
Particulars
The reading of the sub thermistor is less than 100 deg C (equivalent of 0.38 V)
for 0.5 sec or more after the heater is supplied with power.
Cause
The sub thermistor is faulty. The DC controller is faulty.
E004
The fixing power supply drive circuit is faulty.
Particulars
A zero-cross signal cannot be detected for a specific period of time.
Cause
The fixing control circuit is faulty.
E012
The main motor is faulty.
Remedial action
- Replace the ETB unit.
- Suspect that a high-voltage contact is faulty. (Check the contacts
from the high-voltage contact of each color to the high-voltage
PCB.)
- Replace the DC controller.
- Replace the toner cartridge.
Replace the DC controller PCB.
- Replace the DC controller PCB.
- Replace the video controller PCB.
- Replace the cartridge fan.
- Replace the DC controller PCB.
- Replace the shift sensor.
- Replace the shift sensor lever.
- Replace the fixing drive assembly.
- Replace the DC controller PCB.
T-5-4
Remedial action
- Check the connector of the low-voltage power supply PCB.
- Replace the fixing film unit.
- Replace the DC controller PCB.
- Check the connector of the low-voltage power supply PCB.
- Replace the fixing film unit.
- Replace the DC controller PCB.
- Replace the low-voltage power supply PCB.
- Replace the fixing film unit.
- Replace the DC controller PCB.
- Check the connector of the low-power supply PCB.
- Replace the fixing film unit.
- Replace the DC controller PCB.
- Replace the low-voltage power supply PCB.
Chapter 5
0015-8075
5-9
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